Hi,
I know that NAT automatically turns on "ip virtual-reassembly".
But I've also seen them on some configurations like:
interface Virtual-Template1 type tunnel
ip unnumbered GigabitEthernet0/1
ip virtual-reassembly
tunnel mode ipsec ipv4
tunnel protection ipsec profile VTI
or
interface tunnel 0
ip virtual-reassembly
Are they required on such scenarios?